The body itches when touching cold water, considering the possibility of cold urticaria, frostbite, Raynaud’s phenomenon, etc., the first need to clarify the cause of the disease, the use of appropriate medication. 1. Cold urticaria: this disease is mainly stimulated by the cold will be formed after the itching of the wind and edema, you can apply glycerine lotion, etc., itching is serious when you can take oral loratadine, cetirizine to improve the symptoms. 2. Frostbite: If there is frostbite on the body, the symptoms will be aggravated and itchy after contacting cold water. If the skin is not broken, you can apply vitamin E ointment, frostbite ointment, etc. If the skin is broken, you can apply vitamin E ointment and frostbite ointment. If the skin is not broken, you can apply vitamin E ointment, frostbite cream, etc. If the skin is broken, you can apply erythromycin ointment, fusidic acid cream and so on. 3. Raynaud’s phenomenon: refers to the skin of the extremities due to cold, emotional and other stimuli caused by transient pallor, bruising, flushing changes, occasionally accompanied by itching, a lot of diseases can cause the phenomenon, such as: rheumatoid, connective tissue disease, vasculitis, etc., so we need to clarify the cause of the cause of the disease and then treatment. The body itchy when touching cold water, should go to the hospital, complete the examination, clear cause, and then give targeted treatment, avoid self-medication, so as not to cause adverse consequences.